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Nicole N Wermuth

age ~50

from Ann Arbor, MI

Also known as:
  • Nicole Wermuth
3635 Green Brier Blvd, Ann Arbor, MI 48105734 761-1314

Nicole Wermuth Phones & Addresses

  • 3635 Green Brier Blvd, Ann Arbor, MI 48105 • 734 761-1314
  • 1067 Barton Dr, Ann Arbor, MI 48105 • 734 761-1314
  • Tucson, AZ

Us Patents

  • Method And Apparatus For Controlling A Homogeneous Charge Compression Ignition Engine

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  • US Patent:
    7480558, Jan 20, 2009
  • Filed:
    Feb 28, 2007
  • Appl. No.:
    11/680161
  • Inventors:
    Jun-Mo Kang - Ann Arbor MI,
    Chen-Fang Chang - Troy MI,
    Man-Feng Chang - Troy MI,
    Nicole Wermuth - Ann Arbor MI,
  • Assignee:
    GM Global Technology Operations, Inc. - Detroit MI
  • International Classification:
    G06F 19/00
    F02M 25/07
    F02B 47/08
  • US Classification:
    701108, 123295, 12356821
  • Abstract:
    The invention comprises a method for controlling operation of a homogeneous charge combustion ignition engine operating in an auto-ignition mode. The method comprises determining a desired combustion phasing; and, controlling a mass flowrate of externally recirculated exhaust gas based upon an actual combustion phasing. A closed-loop control scheme is executed to control the mass flowrate of externally recirculated exhaust gas based upon a difference between the actual and the desired combustion phasing.
  • Operating Strategy For Hcci Combustion During Engine Warm-Up

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  • US Patent:
    7845335, Dec 7, 2010
  • Filed:
    Mar 23, 2009
  • Appl. No.:
    12/408816
  • Inventors:
    Hanho Yun - Oakland Township MI,
    Nicole Wermuth - Ann Arbor MI,
    Paul M. Najt - Bloomfield Hills MI,
    Jun-Mo Kang - Ann Arbor MI,
  • Assignee:
    GM Global Technology Operations, Inc. - Detroit MI
  • International Classification:
    F02M 7/28
    F02P 5/00
    F02D 41/06
  • US Classification:
    123435, 123436, 12340655
  • Abstract:
    An engine operating in a spark-assisted homogeneous charge compression ignition mode during warm-up cycle is controlled using settings determined by interpolating between cold engine temperature settings fully warmed-up engine temperature settings.
  • Light Load And Idle Hcci Combustion Control By Fuel Pressure Modification

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  • US Patent:
    7894976, Feb 22, 2011
  • Filed:
    Apr 29, 2009
  • Appl. No.:
    12/431805
  • Inventors:
    Hanho Yun - Oakland Township MI,
    Nicole Wermuth - Ann Arbor MI,
    Barry L. Brown - Lake Orion MI,
    Jun-Mo Kang - Ann Arbor MI,
    Paul M. Najt - Bloomfield Hills MI,
  • Assignee:
    GM Global Technology Operations LLC - Detroit MI
  • International Classification:
    F02M 7/28
  • US Classification:
    701110, 123435, 123436, 7311443
  • Abstract:
    A method for controlling a homogeneous-charge compression-ignition capable engine, operating with spray-guided spark ignition stratified combustion at low load, includes monitoring a speed of the engine, monitoring a load of the engine, determining a desired fuel pressure based upon the speed of the engine and the load of the engine, and utilizing the desired fuel pressure to control fuel injection into the engine, wherein the desired fuel pressure is calibrated to the speed and the load based upon increased stability of the engine at lower fuel pressures and lower soot emissions from the engine at higher fuel pressures.
  • Methodology For Extending The High Load Limit Of Hcci Operation By Adjusting Injection Timing And Spark Timing

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  • US Patent:
    7899601, Mar 1, 2011
  • Filed:
    Mar 2, 2009
  • Appl. No.:
    12/395747
  • Inventors:
    Hanho Yun - Oakland Township MI,
    Nicole Wermuth - Ann Arbor MI,
    Paul M. Najt - Bloomfield Hills MI,
    Jun-Mo Kang - Ann Arbor MI,
    Gunter Gräwert - Erzhausen,
  • Assignee:
    GM Global Technology Operations LLC - Detroit MI
  • International Classification:
    G06F 17/00
    F02D 19/00
    F02B 7/08
  • US Classification:
    701103, 701108, 123295, 123435
  • Abstract:
    A method for operating an internal combustion engine including extended operation in a homogeneous charge compression ignition mode at high loads includes operating the engine in the homogeneous charge compression ignition mode including spark-assisted ignition, monitoring an engine load, monitoring an engine speed, determining the engine to be in a high ringing range based upon the engine load and the engine speed, and when the engine load is in the high ringing range, operating the engine in a reduced ringing mode. The reduced ringing mode includes modulating a fuel injection timing according to a calibrated maximum combustion chamber cooling fuel injection timing, determining a preferred combustion phasing value, and modulating a spark timing based upon the modulated fuel injection timing and the preferred combustion phasing value.
  • Method And Apparatus To Control Transition Between Hcci And Si Combustion In A Direct-Injection Gasoline Engine

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  • US Patent:
    7918205, Apr 5, 2011
  • Filed:
    Apr 25, 2008
  • Appl. No.:
    12/109416
  • Inventors:
    Nicole Wermuth - Ann Arbor MI,
    Tang-Wei Kuo - Troy MI,
    Paul M. Najt - Bloomfield Hills MI,
  • Assignee:
    GM Global Technology Operations LLC - Detroit MI
  • International Classification:
    F02D 13/00
    F02M 25/07
  • US Classification:
    123295, 123 9015
  • Abstract:
    A method for transitioning operation of a spark-ignition, direct-injection internal combustion engine having a two-step, variable phase valvetrain between HCCI and SI modes includes providing a low-lift intake valve, un-throttled stoichiometric SI operation intermediate a low-lift exhaust and intake valve HCCI mode and a high-lift exhaust and intake valve, un-throttled SI mode.
  • Method To Enchance Light Load Hcci Combustion Control Using Measurement Of Cylinder Pressures

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  • US Patent:
    8099230, Jan 17, 2012
  • Filed:
    Dec 18, 2008
  • Appl. No.:
    12/338028
  • Inventors:
    Nicole Wermuth - Ann Arbor MI,
    Tang-Wei Kuo - Troy MI,
    Paul M. Najt - Bloomfield Hills MI,
  • Assignee:
    GM Global Technology Operations LLC - Detroit MI
  • International Classification:
    F02M 7/28
    F02D 41/24
  • US Classification:
    701111, 123435
  • Abstract:
    A method for controlling an amount of fuel reforming in an internal combustion engine configured to selectively operate in a homogeneous charge compression-ignition combustion mode with an exhaust recompression strategy includes monitoring in-cylinder pressures during a current combustion cycle, utilizing the monitored in-cylinder pressures to project reforming required in a next combustion cycle, and controlling the next combustion cycle based on the projected reforming required in the next combustion cycle.
  • Method For Controlling A Spark-Ignition Direct-Injection Internal Combustion Engine At Low Loads

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  • US Patent:
    8186329, May 29, 2012
  • Filed:
    Feb 11, 2009
  • Appl. No.:
    12/369086
  • Inventors:
    Nicole Wermuth - Ann Arbor MI,
    Paul M. Najt - Bloomfield Hills MI,
    Hanho Yun - Oakland Township MI,
  • Assignee:
    GM Global Technology Operations LLC - Detroit MI
  • International Classification:
    F02B 5/02
    F02D 41/02
    F02D 13/02
  • US Classification:
    12340619, 123299, 123305, 701103
  • Abstract:
    A spark-ignition direct-injection internal combustion engine is controlled at low loads through split fuel injections and spark discharges including one injection and spark during a negative valve overlap period and another injection and spark during a compression phase of the engine cycle.
  • Method And Apparatus For Operating An Internal Combustion Engine

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  • US Patent:
    8191519, Jun 5, 2012
  • Filed:
    Apr 24, 2009
  • Appl. No.:
    12/429420
  • Inventors:
    Nicole Wermuth - Ann Arbor MI,
    Paul M. Najt - Bloomfield Hills MI,
    Hanho Yun - Oakland Township MI,
  • Assignee:
    GM Global Technology Operations LLC - Detroit MI
  • International Classification:
    F01L 1/34
  • US Classification:
    123 9016, 123 9015
  • Abstract:
    An internal combustion engine includes intake and exhaust camshafts including high-lift lobes and low-lift lobes separated by a lobe separation angle. The engine transitions between operating in a controlled auto-ignition combustion mode with positive valve overlap and a controlled auto-ignition combustion mode with negative valve overlap solely by selecting the corresponding one of the high-lift lobes and the low-lift lobes.

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